It's not bad. I actually have a thread I posted which kind of goes more in-depth, but it's very fast. It's really just click-next-click-next. It's basically just a camera in an odd little box. So it's about as fast as snapping a photo with a little point & shoot.

Here's the post with more details, some of it is in the comments:

https://steemit.com/photography/@winstonwolfe/my-first-rolls-of-35mm-film-in-more-than-a-decade